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2003 3.8 top engine knock

V6 (1994-2004) Mustangs Technical discussions on the 3.8L and 3.9L V6 torque monsters

2003 3.8 top engine knock

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Old 07-15-2018, 04:05 PM
  #1  
Rick Torbeck
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Join Date: Jul 2018
Location: Illinois
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Default 2003 3.8 top engine knock

Have a knocking that sounds like it's coming from top driver side ,it will knock for about 5-10 second then quit and engine runs smooth and quite for 10 seconds to a few min then start knocking again, any idea what this might be, thanks
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Old 10-11-2018, 10:39 PM
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Therical
 
Join Date: Oct 2018
Location: Kansas (KS)
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If its more of a ticking sound, its probably a lifter especially if it stops shortly after starting the car, and then starts again. Not really too much to worry about if thats all it is
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